2 

Of Counsel 

Mark C. Del Bianco 

3929 Washington Street 

Kensington, MD 20895 

Tel: 301.933.7216 

Cell: 301.602.5892 

mark@markdelbianco.com

Of Counsel 

Kate D. Fletcher

Airline Transport Pilot License

Type rated in:

CE-500 (Citation Jet) 

SF-340 (Saab turbo prop) 

DC-9 (turbo-jet)

B-737 (Boeing 737) 

B-757 (Boeing 757) 

B-767 (Boeing 767) 

First Class Medical Certificate

Tel: 312.285.4359 

kate@kdfletcherlaw.com
3

Table of Contents

Exhibit 1: UAs Specifications....................................................................................................... 4

DJI S800 Exhibits

Exhibit 2: DJI S800 User Manual .............................. Uploaded separately due to size constraints

Exhibit 3: DJI S800 Professional Flying Platform........................................................................ 6

Exhibit 4: DJI S800 Features......................................................................................................... 9

Exhibit 5: DJI S800 Specs........................................................................................................... 12

DJI S900 Exhibits

Exhibit 6: DJI S900 User Manual .............................. Uploaded separately due to size constraints

Exhibit 7: DJI S900 Spreading Wings ....................................................................................... 15

Exhibit 8: DJI S900 Features....................................................................................................... 18

Exhibit 9: DJI S900 Specs........................................................................................................... 26

Ready Copter Exhibits

Exhibit 10: Ready Copter Specifications ..............................Submitted confidentially to the FAA

Exhibit 11: Futaba 14 SG User Manual ..................... Uploaded separately due to size constraints

Exhibit 12: DJI 2.4g Bluetooth Datalink..................................................................................... 29

Flight Controller Exhibits

Exhibit 13: DJI A2 User Manual................................ Uploaded separately due to size constraints

Exhibit 14: DJI WooKong-M User Manual............... Uploaded separately due to size constraints

Exhibit 10 has been submitted confidentially to the FAA and is not available to the public.
4

Exhibit 1: UA Specifications

The requested amendment will permit commercial operation of the DJI S800 and DJI S900 

and the Ready Copter, a proprietary design, in addition to the previously-approved DJI S1000. All 

aircraft systems are designed to be used with both the DJI A2 and DJI WooKong-M flight control 

systems.

For both flight controllers, if Tx signal is lost for more than three seconds and the UA is 

under 65 ft. (20 m.) AGL, the UA will rise to 65 ft. AGL, travel horizontally to the pre-designated 

home spot, hover for 15 seconds, then land. If the UA is above 65 ft. AGL, travel horizontally to 

the pre-designated home spot, hover for 15 seconds, then land.

1. DJI S800

The DSJI S900 weighs less than 5.7 lbs. (2.6 kg.), inclusive of batteries and technical 

payload. This rotorcraft operates at a speed of no more than thirty (30) knots and has the capability 

to hover and move in the vertical and horizontal planes simultaneously. The DJI S800 has been 

approved for commercial operations in Exemption Nos. 11606 and 11225.

The UA will have the following specifications or equivalent:

Airframe: DJI S900

Control System: A2 and WooKong-M

Tx: Futaba transmitters

Rx: Internal in A2 or WooKong-M

Motors: 41 x 14 mm stator; 400 rpm/V KV

Propellers: 6 x 15”

Data Link: DJI 2.4 Ghz Data Link

OSD: iOSD Mark II

Gimbal: Zenmuse

Batteries: Lithium Polymer batteries with capacity of 10,000 mAh- 15,000mAh

Please refer to Exhibits 2-5 and 13-14 for more information regarding this UA and its 

control systems.

2. The DJI S900

The DSJI S900 weighs less than 18 lbs. (8.2 kg.), inclusive of batteries and technical 

payload. This rotorcraft operates at a speed of no more than thirty-one (31) knots and has the 

capability to hover and move in the vertical and horizontal planes simultaneously. The DJI S900 

has been approved for commercial operations in Exemption Nos. 11224, 11240, 11250, 11256, 

11279, 11280, 11295 and 11305.

The UA will have the following specifications or equivalent:

Airframe: DJI S900

Control System: A2 and WooKong-M

Tx: Futaba transmitters

Rx: Internal in A2 or WooKong-M
5

Motors: 41 x 14 mm stator; 400 rpm/V KV

Propellers: 15” x 6

Data Link: DJI 2.4 Ghz Data Link

OSD: iOSD Mark II

Gimbal: Zenmuse

Batteries: Lithium Polymer batteries with capacity of 10,000 mAh- 15,000mAh

Please refer to Exhibits 6-9 and 13-14 for more information regarding this UA and its 

control systems.

3. DJI S1000

In Exemption No. 11467, petitioner was approved to use the S1000 system with the A2

flight controller. Petitioner now seeks amendment from that grant in order to allow it to use the 

WooKong-M flight control system in addition to the A2. Please refer to Exhibit 14 for more 

information regarding the WooKong-M.

4. Ready Copter

The Ready Copter is a proprietary design. Documentation regarding this UA has been 

submitted as Exhibit 10 and is not available to the public.
Store Products  DJI Events  Support Community  Fly Safe 

Overview Features Specs Videos Downloads FAQ Wiki Buy From Dealers

Videos

   



PROFESSIONAL FLYING PLATFORM, BEST CHOICE FOR AERIAL PHOTOGRAPHY

6
S800 ABOVE THE HIGHEST TV TOWER IN CHINA

Look above at the highest tower in

 Guangzhou,China.

S800 AERIAL SHOWREEL 2013

This showreel shows the very best of DJI's 2013

 footage.

S800 RED BULL 24 HOURS CROSS-COUNTRY

 CHALLENGE

Some shots from the 24 hour cross-country challenge.

S800 SHENZHEN BAY BRIDGE

Here is a look from above the Shenzhen Bay Bridge.

Gallery EXPAND

Spreading Wings S800 Features

Professional Hexa-Rotor Platform

Circuit-integrated Center Frame

Integrated Frame Arm Design

Integrated ESCs

High Performance Brushless Motors

Efficient Carbon Fiber Propellers

Clear Installation Labels

Quick Installation of Landing Skid

Perfect WooKong-M Compatibility

7
Learn More

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click and drag

Professional Hexa-Rotor Platform

A built-in damping system allows the S800 EVO to be assembled without additional

 frames and dampers. The system helps minimize size, reduce weight and simplify

 assembly.

Circuit-Integrated Center Frame

All circuits from your powersupply to the electronic components are integrated into the

 center frame, which simplifies the wiring, reducing the possibility of malfunction and

 increasing the ease of maintenance.

Professional Hexa-Rotor Platform

Circuit-integrated Center Frame

Integrated Frame Arm Design

Integrated ESCs

High Performance Brushless Motors

Efficient Carbon Fiber Propellers

Clear Installation Labels

Quick Installation of Landing Skid



9
Integrated Frame Arm Design

A power and signal wires for the motors, ESCs and LED indicator are integrated into the

 frame arms, resulting in a simple, neat appearance The overall design is safe, reliable

 and stable, which has been proven by our extensive testing.

Integrated ESCs

All Electronic Speed controller (ESC) components are installed beneath the motors,

 solving the problem of heat dissipation. LED indicators are included to help you easily

 identify the nose and tail of the S800.

High Performance Brushless Motors

High performance brushless motors reduce noise and vibration, enabling smooth control

 while, improve the stability and performance of aircraft, and simplify maintenance,

 extending its lifetime.

Efficient Carbon Fiber Propellers

Tested for perfect balance, the S800's propellers have an exquisite appearance, light

 weight, high efficiency, and high strength.

Clear Installation Labels

Clear labels ( and ) for connection are shown on the center frame and arms. The

 connection sequence is also indicated to help avoid incorrect installation.

Quick Installation Of Landing Skid

Perfect WooKong-M Compatibility

10
Simple assembly and disassembly of the S800 landing skid, makes it convenient to carry

 and transport. When installed, it can support heavy weights.

Perfect WooKong-M Compatibility

A WooKong-M IMU installation position has been reserved on the center frame. In

 addition, labels on the center frame helps users install the flight control system correctly

 and quickly.

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Size and Weight

Frame Diagonal Wheelbase 800mm



12
Flight Parameters

Motor

Frame Arm Length 350mm

Frame Arm Weight

(Including Motor, ESC, Propeller )

304g

Center Frame Diameter 240mm

Center Frame Weight 365g

Bi-Pod Size 500mm(Length)×415mm(Width)×320mm(Height)

(Top width: 145mm)

Bi-Pod Weight 428g

Total Weight 2.6Kg

Takeoff Weight 5.0Kg ~ 7.0Kg

Load Weight 0Kg ~ 2.5Kg

Power Battery LiPo (6S、10000mAh~15000mAh、15C(Min))

Max Power Consumption 2100W

Hover Power Consumption 720W(@ Takeoff Weight 6Kg)

Hover Time Max: 16 min

(@10000mAh&6KgTakeoff Weight)

Stator Size 41×14mm

KV 320rpm/V

Max Power 360W

Weight

13

147g
ESC

Propeller

Current 40A OPTO

Voltage 6S LiPo

Signal Frequency 30Hz ~ 450Hz

Drive PWM Frequency 24KHz

Weight 18g

Material Carbon Fiber

Size 15×04in

Weight 15g

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INTRODUCING THE 

 SPREADING WINGS S900

Click to play video

Gallery EXPAND



HIGHLY PORTABLE, POWERFUL AERIAL SYSTEM FOR THE

 DEMANDING FILMMAKER.

15
Spreading Wings S900 Features

Lightweight, Strong and Stable

Highly Portable, Easy to Carry

New Power Distribution System

Removable Upper Center Board

Sparkproof Plug

Professional Quality

Wide Range of Shooting Angles

Retractable Landing Gear

Compatible with Zenmuse Gimbals

Reduced Vibrations, Clearer Footage

Greater Power

Innovative Arm Design

Learn More

COMPARE THE SPREADING WINGS SERIES HELP AND SUPPORT



16
Wiki 

Downloads 

Support 

After-sales Service Policies 

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Compare Now 

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LIGHTWEIGHT, STRONG AND

 STABLE

The S900’s arms and landing gear are made of sturdy carbon fiber, greatly reducing

 weight while increasing stability and strength. This enables a long flight time without



18
 sacrificing performance.

72-HOUR

FLIGHT TEST

Click to play video

HIGHLY PORTABLE, EASY TO

 CARRY

With arms that fold in to save space, the S900 is built to be taken wherever you

 need to go. Then when you want to fly, it can be ready to go in just a few

 minutes. Never before has a professional hexacoptor been so portable and

 easy to transport. READY TO FLY IN

5 Mins

FOLDING ARMS FOR 

CONVENIENT TRANSPORT

REMOVABLE UPPER CENTER

 BOARD

The upper center board can be removed, allowing easy access to install your flight

19

 controller and IMU, and giving you a convenient way to setup the power distribution
NEW POWER DISTRIBUTION

 SYSTEM

A redesigned, rebuilt power distribution system improves safety and

 reliability. Gold-plated metal bearings with a unique screw design

 secure the power cords, ensuring cables will not come loose during

 flight and allowing easy setup.

 system. Even installation of your main controller, iOSD, Lightbridge, or any other

 accessories is faster and easier than ever before.

 This new center board structure is perfectly compatible with the DJI WKM and A2

 flight controllers.

SPARKPROOF PLUG

Prevent short circuits and easily plug in your power supply with the AS150 sparkproof plug.

20
A2 & WOOKONG-M

Flight Controller

DJI LIGHTBRIDGE

2.4G HD Video Downlink

ZENMUSE Z15-GH4

3-Axis Gimbal

IOSD

On Screen Display

FLIGHT TIME

18 Minutes

TAKEOFF WEIGHT

Maximum: 8.2kg

PROFESSIONAL 

QUALITY

Weighing just 3.3kg, the S900 has a maximum takeoff weight

 of 8.2kg. This means you can easily carry most cameras and

 gimbals. Used with a 6S 12000mAh battery, it can fly for up

 to 18 minutes*.

*Maximum flight time is tested on a breezeless day with a payload of 6.8kg, hovering

 at a height of 2 meters.

21
WIDE RANGE OF SHOOTING ANGLES

Retractable landing gear and a special low gimbal mounting bracket gives you an extremely wide

 range of possible shooting angles and camera motions.

22
RETRACTABLE LANDING

 GEAR

COMPATIBLE WITH ZENMUSE

 GIMBALS

DJI’s Zenmuse camera gimbals are known for their stability, providing smooth footage

 capture in even the most difficult of conditions. The S900 fully supports the Zenmuse

23
 Z15, GH3, GH4, and BMPCC gimbals.

REDUCED VIBRATIONS, CLEARER

 FOOTAGE

The S900’s gimbal bracket is separated from the main frame by specifically designed

 dampers. This significantly reduces high-frequency vibrations and makes your shots

 clearer and sharper.

GREATER POWER

A 40A electronic speed controller (ESC), our fastest available, is built in to each arm.

 The 4114 pro motors, high performance 1552 folding propellers, and V-type mixer

 design combine to give each arm of the S900 a maximum thrust of 2.5Kg.

Our latest motor adopts a single wire stator design, offering improved heat dissipation,

 better performance, and a tidier, more reliable system.

24
INNOVATIVE ARM DESIGN

Each arm is designed with an 8° inversion and a 3° inclination, making the aircraft more

 stable when rolling and pitching, yet more flexible when rotating.

COMPARE THE SPREADING WINGS SERIES HELP AND SUPPORT



Wiki 

Downloads 

Support 

After-sales Service Policies 

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Frame

Motor

ESC

Diagonal Wheelbase 900mm

Frame Arm Length 358mm

Frame Arm Weight

(Including Motor, ESC, Propeller )

316g

Center Frame Diameter 272mm

Center Frame Weight (With Landing Gear Mounting Base,

 Servos)

1185g

Landing Gear Size 460mm(Length)×450mm(Width)×360mm(Height)

Stator Size 41×14mm

KV 400rpm/V

Max Power 500W

Weight(With Cooling Fan) 158g

Working Current 40A

Working Voltage 6S LiPo

Signal Frequency 30Hz ~ 450Hz



26
Foldable Propeller

 (1552/1552R)

Flight Parameters

Gain Value Settings

Drive PWM Frequency 8KHz

Weight(With Radiators) 35g

Material High strength performance engineered plastics

Size 15×5.2inch

Weight 13g

Takeoff Weight 4.7Kg ~ 8.2Kg

Total Weight 3.3Kg

Power Battery LiPo (6S、10000mAh~15000mAh、15C(Min))

Max Power Consumption 3000W

Hover Power Consumption 1000W (@6.8Kg Takeoff Weight)

Hover Time 18min (@12000mAh& 6.8Kg Takeoff Weight)

Working Environment Temperature -10 °C ~ +40 °C

For A2 Flight Controller Basic: Roll 110%, Pitch 110%, Yaw 120% 

Attitude: Roll 220%, Pitch 220%, Vertical 120%

For WooKong-M Flight Controller Basic: Roll 160%, Pitch 160%, Yaw 160% 

Attitude: Roll 190%, Pitch 190%, Vertical 100%

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28
©2013-2015 DJI. All Rights Reserved. - 1 - 

2.4G Bluetooth Datalink & iPad 

Ground Station User Guide V1.14

Thank you for purchasing DJI products. Please strictly follow this user guide to mount and connect the 2.4G 

Bluetooth Datalink, install the Assistant Software on your computer, as well as the App on your mobile device. 

Note:The map of Mainland China download from Mainland China IP addresses has differences with the actual 

geographic environments. If users download the map of Mainland China from foreign IP addresses, which will be 

more accurate. 

2.4G Bluetooth Datalink 

The 2.4G Bluetooth Datalink consists of the Air end and the Ground end, which provides reliable and stable remote 

wireless transmissions for Ground Station based applications. The signal flow is as shown below. 

The Air 

end

The 

Ground end

Flight control 

system

PC Ground 

Station 

iPad Ground 

Station 

CAN-Bus

USB

Bluetooth Bluetooth

Signals from 

Ground Station

Signals from Flight 

control system

BTU module

CAN-Bus

Flight control systems that support the 2.4G Bluetooth Datalink 

ACE ONE(Firmware V4.02 or above), WKM(Firmware V5.24 or above), 

NAZA-M, NAZA-M V2(Firmware V4.00 or above), A2(Firmware V2.0 or above)

Important: To make your Phantom 2 compatible with the 2.4G Bluetooth Datalink, please update the firmware of 

Phantom 2 and BTU module to the latest version. 

1.1 In the box 

BTU ModuleUSB 

cable

CAN-Bus 

cable

DC power 

cable

The Ground end of 

2.4G Bluetooth Datalink

The Air end of 

2.4G Bluetooth Datalink

Important:the firmware of BTU should be upgraded to version 1.0.1.2 or above to use with the 2.4G Bluetooth 

Datalink. 

1.2 User supplied 

To use the 2.4G Bluetooth Datalink and Ground Station, please prepare the Flight control system, the aircraft, 

batteries, PC or iPad etc. 

29
©2013-2015 DJI. All Rights Reserved. - 2 - 

1.3 Connections and use 

(1) Please assemble the antenna of the Ground end first. 

(2) For connections and use please refer to the diagram below. 

Antenna

The tail of the Antenna 

should be pointed 

downward and 

unobstructed to ensure the 

communication distance.

· PC Ground Station

· 2.4G Bluetooth Datalink 

Assistant Software

· Assistant Software of 

Flight control system

 USB port

Connect to a PC via a 

USB cable to use the 

PC Ground Station or 

configure the 2.4G 

Bluetooth Datalink in 

the Assistant Software.

CAN-Bus port

Connect the BTU 

module when using the 

iPAD Ground Station

DC power port

Connect DC power, you 

can choose one of the 

USB power supply or DC 

power supply to provide 

power for the Ground 

end.

Distance between the The Ground end two ends should be 

more than 1.5m

Communication& 

power supply port

Extra power 

supply port

· 3S-6S Battery · 9.9V~25.2V 

DC power -

+

· iPad Ground 

Station

· Assistant of Flight 

control system

+

-

90o To Flight control system

To any CAN-Bus port on ACE ONE, WKM , NAZA-M,NAZA-M V2 Or to the CAN2 port(or the CAN-Bus port 

on the devices connected to the CAN2 

port) on A2 The Air end

Antenna

The tail of the Antenna 

should be pointed 

upwards and 

unobstructed to ensure 

the communication 

distance.

Notes:

(1) You can configure the Flight control system using the Assistant software on a PC or iOS mobile Device

wirelessly over the link of the 2.4G Bluetooth Datalink, however you cannot upgrade the firmware of 

the Flight control system using this communication route. 

(2) When connecting a BTU module or a LED Bluetooth unit to the Flight control system to configure in 

the Assistant on mobile devices, as well as connecting a BTU module to the Ground end to use the iPad

Ground station, the two Bluetooth communication links will not interfere with each other. 

(3) If the Air end is changed to connect to a new Main controller, you should power cycle the Ground end. 

(4) Make sure the LED indicator of BTU module is green after power on, for specific usage details please 

refer to the BTU Manual. 

(5) For usage of the PC Ground Station please refer to the latest Ground Station User Manual. 

Important :

(1) If there are obstacles between the ground and air ends then the radio signal of the 2.4G Bluetooth

Datalink will be weak; please make sure the antennas are always visibly unobstructed during the flight. 

Human body, trees, buildings or hills will disconnect the link between the Air end and the Ground end.

(2) Make sure the antenna of the Air end is pointing down, and the antenna of the Ground end is pointing 

upwards; it’s better to put the Ground end at a high place to get further transmission distance.

(3) When using the ACE ONE Flight control system with the 2.4G Bluetooth Datalink, the Ground Station 

will connect to the Main controller 15s after power on.

30
©2013-2015 DJI. All Rights Reserved. - 3 - 

1.4 LED Indicator descriptions 

The LED Indicators of the 2.4G Bluetooth Datalink will work after power on, the descriptions are shown below. 

LED TX/RX LINK

The Air 

end

TX/RX LINK

Green blinks Sending Solid Green The Air end links with the 

Ground end successfully

Red blinks Receiving Solid Red The Air end delinks with the 

Ground end 

Yellow blinks Searching the 

Main controller

The 

Ground 

end

TX/RX

LINK

Green blinks Sending Solid Green The Air end links with the 

Ground end successfully

Red blinks Receiving Solid Red The Air end delinks with the 

Ground end 

Yellow blinks Power voltage of 

the Ground end 

is less than 9.9V

Notes :

(1) LED Indicators on both ends will blink when powering on, then the TX/RX indicator of the Air end will 

blink when searching the Main controller.

(2) The LED Indicators of LINK on both ends should be solid green to indicate that the two ends have linked 

successfully.

(3) It’s recommended to check the power voltage of the Ground end regularly when using batteries for 

power supply, in order to avoid over-discharging.

1.5 Upgrade 

Use the 2.4G Bluetooth Datalink Assistant software to upgrade the 2.4G Bluetooth Datalink and BTU module. 

Please refer to the diagram below to connect when upgrading. 

· 2.4G Bluetooth 

Datalink Assistant 

software

 

To upgrade the Air end 

and the Ground end To upgrade the Ground 

end and BTU module

· 2.4G Bluetooth 

Datalink Assistant 

software

 Important : POWER CYCLE the Flight control system and 2.4G Bluetooth Datalink after upgrade.

31
©2013-2015 DJI. All Rights Reserved. - 4 - 

iPad Ground Station App 

The iPad Ground Station is designed for remote flight control in applications of surveillance, aerial photography, 

etc., it should be used with the 2.4G Bluetooth Datalink to achieve auto flight after the setting of the routes. The 

application with easy usable design offers great portability and simple operation, which will provide users with an 

extraordinary flight experiences. 

2.1 Introduction 

Functions 

Map information display Joystick mode One key Take off/ Go Home

Flight display in real time Single waypoint Auto Landing

Flight simulator Waypoints Customized Waypoints

4 kinds of Route Template Customized Route Template Low voltage alert

Voice guidance function GPS SNR Display

Flight control systems that support the iPad Ground Station 

WKM(Firmware V5.24 or above), NAZA-M, NAZA-M V2(Firmware V4.00 or above),A2(Firmware V2.0 or above).

Important: Phantom 2 supports iPad Ground Station V1.4.58. To use the iPad Ground Station with the Phantom 2, 

please update the main controller firmware to V2.00 or above, update the central board firmware to V1.0.1.24 or 

above while the BTU firmware should be updated to V1.0.1.3 or above.

iOS Devices that support the iPad Ground Station 

iPad3,iPad4,iPad mini, iPad mini with Retina display,iPad Air(iOS 6.1 or above)

2.2 First Time Use 

First time use Tips and Notes 

1. Open your iPad and search “DJI” in the App Store to download and install 

the Ground Station(GS) App.

2. Open the Bluetooth function of your iPad. There will have popups if you forget to 

enable the Bluetooth

3. Connect the 2.4G Bluetooth Datalink and BTU module to the Flight 

control system, power on.

Please refer to the Datalink part to 

connect

4. Run the GS App, create an account through the Internet and login. PC account is available to login.

5. The GS will search your Main controller and named with“NEW”, you will 

be asked to set a new name and a password for the Main controller.

LED in GS indicates after the GS is 

connected with the Main controller

6. Please read the tips text carefully after login. Open the FisrtUse function 

to make use of the help text.

FisrtUse function can be opened and 

closed in“More“ “Settings“

7. Enable the Flight Simulator and try out the follow functions: (1) Flight Simulator can be opened and 

closed in“More“ “Settings“

(2) When using the GS the Flight control 

system will enter into GPS control mode and 

the aquired satellites shoule be more than 6.

(3) In GPS control mode the GS control 

priorto the Transmitter, Users can toggle 

the control mode switch to other mode and 

back to the GPS mode quickly to get the 

Joystick Use the sticks on the screen to control the aircraft

Single waypoint Edit a single waypoint and go

Waypoints

Use the templates to set routes, batch the 

waypoints and upload the routes, then confirm and go

Location Use to locate the aircraft or the iPad

Auto Landing The aircraft will land slowly

One key Go Default Home point is the one recorded by the aircraft 

32
©2013-2015 DJI. All Rights Reserved. - 5 - 

Home automatically after recording conditions are satisfied control by Transmitter.

8. Disable the Flight Simulator and power cycle the Flight control system to 

start real flights. Click on Joystick and you can use One key Take off to take 

off your aircraft

(1) Please view the map of fight fields via 

Internet in the GS before outdoors flights, 

then the maps can be used off-line.

(2) Please use the GS for real flights after 

you are familiar with its use and functions, 

Refer to all help text in the App.

2.3 Using Tips 

1. Customized Route Template 

In Waypoints mode, users can set a route and click to save it as a template. Users can view all 

the customized route templates in the template menu, slip from right to left on a template and you can 

choose to detele it. 

2. Capturing waypoints 

In Waypoints mode, click to capture the aircraft attitude (including longitude, latitude, height and nose 

pointing direction) properties to build a new waypoint during flight. This function is always available when the 

UAV is hovering or flying. 

3. GPS SNR Display 

iPad Ground Station has added “SNR Health” and “SNR Fluctuation” index monitors for GPS signals. Pilots 

will be able to monitor GPS signal quality, ensuring they have strong and stable signals for better flight 

performance. By referring to these two values, pilots will be empowered to find the best locations for takeoff 

and flight, while also detecting areas that might interfere with GPS signals. 

Click . The SNR interface provides you with “SNR Health” and “SNR Fluctuation” index monitors 

whose values change according to aircraft maneuvers and environmental interference. 

 The “SNR Health Index” shows the GPS signal strength captured by the GPS receiver. A larger number 

indicates a stronger GPS signal. We highly recommend pilots only take off when the SNR health value is 

greater than 36. 

33
©2013-2015 DJI. All Rights Reserved. - 6 - 

 The “SNR Fluctuation Index” shows the overall stability of the craft’s current GPS signal. A smaller number 

means that the signals will fluctuate less and provide a more stable GPS signal overall. 

2.4 Flight Limit of Special Areas 

All UAV operators should abide by all regulations from such organizations at ICAO (International Civil Aviation 

Organization) and per country airspace regulations. For safety reasons, key areas have been restricted, such as: 

a) Within the radius of 8Km from the airport. 

Users will not be able to build waypoints or Home points in designated special areas and the waypoint routines go 

through these special areas are invalid, and the UAV will fail to cruise to those areas. 

All the special areas have been restricted are specified on the DJI official website and please refer to Special Areas 

List (http://www.dji.com/fly-safe/category-gs) to obtain details. 

34
©2013-2015 DJI. All Rights Reserved. - 7 - 

Appendix 

3.1 2.4G Bluetooth specifications (Deliveries passed FCC) 

Performance 

RF Data Rate 1536 kbps

Indoor/Urban Range ≤ 350 m

Outdoor/RF Line-of-Sight Range ≤ 2 km

Transmit Power ≤ 125 mW

Receiver Sensitivity (1%PER) -94 dBm

Power Consumption The Ground end: ≤ 2.3 W The Air end: ≤ 1.8 W

Features 

Frequency Band 2.4 G (2400 MHz ~ 2483 MHz)

Serial Data Rate 115200 bps

Antenna Options SMA

Operating Temperature -10°C ~ +60°C

Size (No Antenna) 

The Ground end: 73 mm x 47.8 mm x 17.1 mm

The Air end: 49.8 mm x 36.4 mm x 11.4 mm

Weight (with Antenna) The Ground end: 93 g The Air end: 32 g

Power supply 

Supply Voltage The Ground end: 9.9 V - 25.2 V The Air end: 6 V

Current (Transmitting signal) 0.18 A @ 12.5 V

Current (Receiving signal) 0.30 A @ 6 V

Regulatory Approvals 

FCC(USA) Yes

3.2 2.4G Bluetooth specifications (Deliveries passed CE) 

Performance 

RF Data Rate 1536 kbps

Indoor/Urban Range ≤ 200 m

Outdoor/RF Line-of-Sight Range ≤ 1.1 km

EIRP (Equivalent Isotropic Radiated Power) ≤ 100 mW

Receiver Sensitivity (1%PER) -94 dBm

Power Consumption The Ground end: ≤ 1.3 W The Air end: ≤ 0.9 W

Features 

Frequency Band 2.4 G (2400 MHz ~ 2483 MHz)

Serial Data Rate 115200 bps

Antenna Options SMA

Operating Temperature -10°C ~ +60°C

Size (No Antenna) The Ground end: 73 mm x 47.8 mm x 17.1 mm

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©2013-2015 DJI. All Rights Reserved. - 8 - 

The Air end: 49.8 mm x 36.4 mm x 11.4 mm

Weight (with Antenna) The Ground end: 93 g The Air end: 32 g

Power supply 

Supply Voltage The Ground end: 9.9 V - 25.2 V The Air end: 6 V

Current (Transmitting signal) 0.10 A @ 12.5 V

Current (Receiving signal) 0.15 A @ 6 V

Regulatory Approvals 

CE(European) Yes

3.3 FAQ 

2.4G Bluetooth Datalink Failure 

The Ground Station fails to connect with the Main controller, please check the following items

 The distance between the two ends of the 2.4G Bluetooth Datalink should be more than 1.5 m.

 Make sure the Ground end is connected correctly and the LED indicator of BTU is green.

If above are ok please power cycle, while this problem continues after powering cycle, there may be hardware 

problems such as the Antenna is broken, please contact your authorized dealer. 

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